function openFile(obj){
    let  filepath= $(obj).data('filepath');
    let  ext= filepath.split('.');
    ext = ext[ext.length - 1];
    if(filepath.indexOf('http') === -1){
        filepath = window.location.origin + filepath;
    }

  if(ext=="doc"||ext=="docx"||ext=="ppt"||ext=="pptx"||ext=="csv"||ext=="xls"||ext=="xlsx"){
        iframe('https://view.officeapps.live.com/op/view.aspx?src=' + filepath,"80%","90%",'查看文件',1);
   }
    else if(ext=="pdf" || ext == 'txt'){
        iframe(filepath,"80%","90%",'查看文件',1);
   }else if(ext=="zip" || ext == 'rar'){
       layer.alert('压缩包文件清下载后查看！')
  }else{
      window.open(filepath);
  }
}

function downLoadFile(obj){
    let  filepath= $(obj).data('filepath');
    let  ext= filepath.split('.');
    ext = ext[ext.length - 1];
    let  filename = formatDate((new Date()).valueOf());
    if(filepath.indexOf('http') === -1){
        filepath = window.location.origin + filepath;
    }
    const ele = document.createElement('a');
    ele.setAttribute('href',filepath); //设置下载文件的url地址
    ele.setAttribute('download' , 'file '+filename + '.' + ext);//用于设置下载文件的文件名
    ele.click();
}


// timeStamp：时间戳，
// type ：根据自己的需要设置格式： Y-M-D   Y-M-D H 等等
// auto ：为false是转化格式，为true是输入之前到今天的此时时间
function formatDate(timeStamp, type = 'Y-M-D H:I:S', auto = false) {
    let time = (timeStamp + '').length === 10 ? new Date(parseInt(timeStamp) * 1000) : new Date(parseInt(timeStamp));
    let _year = time.getFullYear();
    let _month = (time.getMonth() + 1) < 10 ? '0' + (time.getMonth() + 1) : (time.getMonth() + 1);
    let _date = time.getDate() < 10 ? '0' + time.getDate() : time.getDate();
    let _hours = time.getHours() < 10 ? '0' + time.getHours() : time.getHours();
    let _minutes = time.getMinutes() < 10 ? '0' + time.getMinutes() : time.getMinutes();
    let _secconds = time.getSeconds() < 10 ? '0' + time.getSeconds() : time.getSeconds();
    let formatTime = '';
    let distinctTime = new Date().getTime() - time.getTime();

    if (auto) {
        if (distinctTime <= (1 * 60 * 1000)) {
            // console.log('一分钟以内，以秒数计算');
            let _s = Math.floor((distinctTime / 1000) % 60);
            formatTime = _s + '秒前';
        } else if (distinctTime <= (1 * 3600 * 1000)) {
            // console.log('一小时以内,以分钟计算');
            let _m = Math.floor((distinctTime / (60 * 1000)) % 60);
            formatTime = _m + '分钟前';
        } else if (distinctTime <= (24 * 3600 * 1000)) {
            // console.log('一天以内，以小时计算');
            let _h = Math.floor((distinctTime / (60 * 60 * 1000)) % 24);
            formatTime = _h + '小时前';
        } else if (distinctTime <= (30 * 24 * 3600 * 1000)) {
            let _d = Math.floor((distinctTime / (24 * 60 * 60 * 1000)) % 30);
            formatTime = _d + '天前';
            // console.log('30天以内,以天数计算');
        } else {
            // 30天以外只显示年月日
            formatTime = _year + '-' + _month + '-' + _date;
        }
    } else {

        switch (type) {
            case 'Y-M-D H:I:S':
                formatTime = _year + '-' + _month + '-' + _date + ' ' + _hours + ':' + _minutes + ':' + _secconds;
                break;
            case 'Y-M-D H:I:S zh':
                formatTime = _year + '年' + _month + '月' + _date + '日  ' + _hours + ':' + _minutes + ':' + _secconds;
                break;
            case 'Y-M-D H:I':
                formatTime = _year + '-' + _month + '-' + _date + ' ' + _hours + ':' + _minutes;
                break;
            case 'Y-M-D H':
                formatTime = _year + '-' + _month + '-' + _date + ' ' + _hours;
                break;
            case 'Y-M-D':
                formatTime = _year + '-' + _month + '-' + _date;
                break;
            case 'Y-M-D zh':
                formatTime = _year + '年' + _month + '月' + _date + '日';
                break;
            case 'Y-M':
                formatTime = _year + '-' + _month;
                break;
            case 'Y':
                formatTime = _year;
                break;
            case 'M':
                formatTime = _month;
                break;
            case 'D':
                formatTime = _date;
                break;
            case 'H':
                formatTime = _hours;
                break;
            case 'I':
                formatTime = _minutes;
                break;
            case 'S':
                formatTime = _secconds;
                break;
            default:
                formatTime = _year + '-' + _month + '-' + _date + ' ' + _hours + ':' + _minutes + ':' + _secconds;
                break;
        }
    }  // 返回格式化的日期字符串
    return formatTime;
}
